su

Variable |     Obs        Mean   Std. Dev.       Min        Max
---------+-----------------------------------------------------
district |     435    9.963218   10.21964          0         52  
    name |       0  
   state |       0  
 partyid |     435    .5931034   .4918209          0          1  
corptpct |     435        0.15       0.10       0.00       0.42  
 labtpct |     435        0.10       0.11       0.00       0.48  
mexbordr |     435    .0252874   .1571773          0          1  
  timing |     435    402.9954   70.34291          1        463  
 dleader |     435    .0505747   .2193799          0          1  
 rleader |     435    .0413793   .1993952          0          1  
 ncomact |     435    .2988506   .4582813          0          1  
    vote |     434    .5391705   .4990386          0          1  
pscenter |     435    .0000838    .057909  -.1029952   .2012691  
  inter1 |     433   -.0042675   .0343997  -.1029952   .1402669  
   ideol |     433    .4411085    .497094          0          1  
hhcenter |     435    2.72e-07   .8378304  -1.620088   2.650312  
  inter2 |     433    .0888591   .5983097  -1.566388   2.650312  
 perotsq |     435    .0380839    .021699   .0010569   .1103655  
pecenter |     435    1.87e-08   .0611921  -.1528219   .1468808  
mexstate |     435    .2091954   .4072025          0          1  

. cox timing pscenter pecenter perotsq mexbordr hhcenter corptpct labtpct ncoma
> ct rleader dleader inter1 inter2

Iteration 0:  Log Likelihood =-2260.9395
Iteration 1:  Log Likelihood =-2238.8173
Iteration 2:  Log Likelihood =-2233.9733
Iteration 3:  Log Likelihood = -2233.964
Iteration 4:  Log Likelihood = -2233.964

Cox regression                                          Number of obs =    433
                                                        chi2(12)      =  53.95
                                                        Prob > chi2   = 0.0000
Log Likelihood =  -2233.964                             Pseudo R2     = 0.0119

------------------------------------------------------------------------------
  timing |      Coef.   Std. Err.       z     P>|z|       [95% Conf. Interval]
---------+--------------------------------------------------------------------
pscenter |   3.210488   1.186042      2.707   0.007       .8858887    5.535088
pecenter |  -4.911616   4.273326     -1.149   0.250      -13.28718     3.46395
 perotsq |   15.63641   11.72464      1.334   0.182      -7.343467    38.61629
mexbordr |   1.837162   .3243829      5.664   0.000       1.201383    2.472941
hhcenter |   .0099268   .0909709      0.109   0.913      -.1683727    .1882264
corptpct |  -1.435842    .523997     -2.740   0.006      -2.462857   -.4088265
 labtpct |    1.09475    .501561      2.183   0.029       .1117089    2.077792
 ncomact |   .0365816   .1084211      0.337   0.736      -.1759199     .249083
 rleader |   .5566959   .2554561      2.179   0.029       .0560111    1.057381
 dleader |   .0824475   .2319569      0.355   0.722      -.3721796    .5370745
  inter1 |  -4.388859   1.775979     -2.471   0.013      -7.869714   -.9080039
  inter2 |   .1639684   .1254713      1.307   0.191      -.0819509    .4098877
------------------------------------------------------------------------------

. probit vote pscenter pecenter mexbordr hhcenter corptpct labtpct ideol partyi
> d

Iteration 0:  Log Likelihood =  -298.874
Iteration 1:  Log Likelihood =-238.17725
Iteration 2:  Log Likelihood =-236.30184
Iteration 3:  Log Likelihood =-236.29375
Iteration 4:  Log Likelihood =-236.29375

Probit Estimates                                        Number of obs =    433
                                                        chi2(8)       = 125.16
                                                        Prob > chi2   = 0.0000
Log Likelihood = -236.29375                             Pseudo R2     = 0.2094

------------------------------------------------------------------------------
    vote |      Coef.   Std. Err.       z     P>|z|       [95% Conf. Interval]
---------+--------------------------------------------------------------------
pscenter |  -5.016647   1.293302     -3.879   0.000      -7.551471   -2.481822
pecenter |   .6110294   1.157865      0.528   0.598      -1.658345    2.880404
mexbordr |   .3378516   .4316815      0.783   0.434      -.5082285    1.183932
hhcenter |   .2103522    .090203      2.332   0.020       .0335575    .3871468
corptpct |   1.939533   .7180124      2.701   0.007       .5322542    3.346811
 labtpct |  -3.839346   .9249798     -4.151   0.000      -5.652273   -2.026419
   ideol |   .0751856   .3089632      0.243   0.808      -.5303712    .6807424
 partyid |  -.2028139   .3082732     -0.658   0.511      -.8070183    .4013905
   _cons |   .2686564   .3316407      0.810   0.418      -.3813473    .9186602
------------------------------------------------------------------------------

. cox timing pscenter pecenter perotsq mexstate hhcenter corptpct labtpct ncoma
> ct rleader dleader inter1 inter2

Iteration 0:  Log Likelihood =-2260.9395
Iteration 1:  Log Likelihood =-2240.0936
Iteration 2:  Log Likelihood =-2239.9319
Iteration 3:  Log Likelihood =-2239.9319

Cox regression                                          Number of obs =    433
                                                        chi2(12)      =  42.02
                                                        Prob > chi2   = 0.0000
Log Likelihood = -2239.9319                             Pseudo R2     = 0.0093

------------------------------------------------------------------------------
  timing |      Coef.   Std. Err.       z     P>|z|       [95% Conf. Interval]
---------+--------------------------------------------------------------------
pscenter |   3.352999   1.202121      2.789   0.005       .9968854    5.709112
pecenter |   -3.04607   4.246658     -0.717   0.473      -11.36937    5.277228
 perotsq |   9.480279   11.64007      0.814   0.415      -13.33385     32.2944
mexstate |   .3874799   .1267572      3.057   0.002       .1390404    .6359193
hhcenter |  -.0238901   .0899929     -0.265   0.791       -.200273    .1524928
corptpct |  -1.511576   .5216754     -2.898   0.004      -2.534041   -.4891114
 labtpct |   1.120138   .5043858      2.221   0.026       .1315604    2.108717
 ncomact |   .0198255   .1082841      0.183   0.855      -.1924073    .2320584
 rleader |   .6000876   .2567695      2.337   0.019       .0968287    1.103347
 dleader |    .016124   .2325566      0.069   0.945      -.4396785    .4719265
  inter1 |  -4.329183   1.786895     -2.423   0.015      -7.831432    -.826933
  inter2 |   .1297173    .126229      1.028   0.304       -.117687    .3771216
------------------------------------------------------------------------------

. probit vote pscenter pecenter mexstate hhcenter corptpct labtpct ideol partyi
> d

Iteration 0:  Log Likelihood =  -298.874
Iteration 1:  Log Likelihood =-236.43068
Iteration 2:  Log Likelihood =-234.34713
Iteration 3:  Log Likelihood =-234.33677
Iteration 4:  Log Likelihood =-234.33677

Probit Estimates                                        Number of obs =    433
                                                        chi2(8)       = 129.07
                                                        Prob > chi2   = 0.0000
Log Likelihood = -234.33677                             Pseudo R2     = 0.2159

------------------------------------------------------------------------------
    vote |      Coef.   Std. Err.       z     P>|z|       [95% Conf. Interval]
---------+--------------------------------------------------------------------
pscenter |  -4.576597    1.31208     -3.488   0.000      -7.148226   -2.004968
pecenter |   .2486252   1.173139      0.212   0.832      -2.050684    2.547935
mexstate |   .3707987   .1752194      2.116   0.034       .0273749    .7142225
hhcenter |   .1777412    .090752      1.959   0.050      -.0001295    .3556119
corptpct |   1.960199    .722326      2.714   0.007       .5444661    3.375932
 labtpct |  -3.753534   .9270673     -4.049   0.000      -5.570552   -1.936515
   ideol |    .046581   .3103792      0.150   0.881       -.561751     .654913
 partyid |  -.2868557   .3109249     -0.923   0.356      -.8962573    .3225458
   _cons |   .2533929   .3321729      0.763   0.446       -.397654    .9044399
------------------------------------------------------------------------------

. 